Correct answer - Tetrahedral, planar or flat.
Why? - When carbon forms single bonds with other atoms, the shape is tetrahedral. When two carbon atoms form a double bond, the shape is planar, or flat. Single bonds, like those found in ethane, are able to rotate.
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The correct answer is A
Genes and environment are both major influences.
Please trust my answer.
Answer:
the strengths are force and limitations are lamp
